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Thread: Astronomy photography

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    Smile Astronomy Picture of the Day

    A nice astronomy picture like this one every day :






    Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
    Astronomy Picture of the Day Archive

    Today's Picture



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    Thumbs up What Tycko Brahe saw

    This isn't from the same source you provided but this is an important star

    Quote Originally Posted by Wikipedia
    Tycho Brahe, born Tyge Ottesen Brahe (December 14, 1546 Knutstorp Castle – October 24, 1601 Prague), was a Danish nobleman known for his accurate and comprehensive astronomical and planetary observations. Coming from Scania, then part of Denmark, now part of modern-day Sweden, Brahe was well known in his lifetime as an astronomer and alchemist.


    Quote Originally Posted by Wikipedia
    The 1572 supernova

    The Chandra Space Telescope imaged Tycho's Supernova Remnant more than four centuries after its discoveryOn November 11, 1572, Tycho observed (from Herrevad Abbey) a very bright star, now named SN 1572, which had unexpectedly appeared in the constellation Cassiopeia. Because it had been maintained since antiquity that the world beyond the Moon's orbit was eternally unchangeable (celestial immutability was a fundamental axiom of the Aristotelian world-view), other observers held that the phenomenon was something in the terrestrial sphere below the Moon. However, in the first instance Tycho observed that the object showed no daily parallax against the background of the fixed stars. This implied it was at least farther away than the Moon and those planets that do show such parallax.[clarification needed] Moreover he also found the object did not even change its position relative to the fixed stars over several months as all planets did in their periodic orbital motions, even the outer planets for which no daily parallax was detectable. This suggested it was not even a planet, but a fixed star in the stellar sphere beyond all the planets. He published a small book, De Stella Nova (1573), thereby coining the term nova for a "new" star (we now classify this star as a supernova and we know that it is 7500 light-years from Earth). This discovery was decisive for his choice of astronomy as a profession. Tycho was strongly critical of those who dismissed the implications of the astronomical appearance, writing in the preface to De Stella Nova: "O crassa ingenia. O caecos coeli spectatores" ("Oh thick wits. Oh blind watchers of the sky").

    Tycho's discovery was the inspiration for Edgar Allan Poe's poem, "Al Aaraaf."[15] In 1998, Sky & Telescope magazine published an article by Donald W. Olson, Marilynn S. Olson and Russell L. Doescher arguing, in part, that Tycho's supernova was also the same "star that's westward from the pole" in Shakespeare's Hamlet.
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    Last edited by Absinthe; 12-05-2008 at 10:11 AM.

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    Attached Thumbnails Attached Thumbnails Click image for larger version. 

Name:	space-500x3183.jpg 
Views:	128 
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ID:	4078  

    "If Germany re-establishes her trade in the next 50 years, we shall have fought the war (WW1) in vain
    ."
    Winston Churchill interviewed by the London Times in 1919

    "This is not a peace. It is an armistice for twenty years"
    French marshal Ferdinand Foch on the Treaty of Versailles in 1919

    "Our ideal is to round Poland off with frontiers on the Oder in the West and the Neisse in Lausatia, and to reincorporate Prussia, from the Pregel to the Spree. In this war no prisoners will be taken, there will be no room for humanitarian feelings. We shall surprise the whole world in our war with Germany."
    Polish newspaper Mosarstwowiecz (1930), three years before Hitler's rise to power.




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    The galaxy that ate too much and got gas

    [Hi-res version, Original source]

    Its been known for a long time that galaxies are not picky eaters. In fact, theyre cannibals.

    Yes, they eat each other. If a little galaxy gets too close to a big one, the gravity of the beefier of the pair will rip the littler one apart, and the contents of the loser get absorbed into the winner. Most big galaxies show evidence of this, and our own Milky Way is eating at least one galaxy right now, and has probably swallowed down dozens before it.

    But were pikers compared to NGC 1132, a monster elliptical galaxy over 300 million light years away. In visible light its 20% bigger in diameter than the Milky Way, and may outmass our galaxy by a factor of ten! Its truly gargantuan. This Hubble image reveals the enormous extent of the galaxy, but even thats only a part of the picture; most of the mass of this galaxy is in hot X-ray emitting gas and invisible dark matter.
    Have you noticed that if you rearrange the letters in illegal immigrants, and add just a few more letters, it spells, Go home you free-loading, benefit-grabbing, resource-sucking, baby-making, non-English-speaking ********* and take those other hairy-faced, sandal-wearing, bomb-making, camel-riding, goat-f*****g raghead c***s with you.?

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    Default Astronomy photography


    Dark clouds of dust, called globules, are silhouetted against nearby, bright stars. Little is known about the globules, except that they are generally associated with areas of star formation.


    This picture of the nebula NGC 3603 shows globules of gas and dust; giant, gaseous pillars; young stars surrounded by debris disks; aging, massive stars; and a blue supergiant star . all various stages in star life.






    The Crab Nebula is a supernova remnant, all that remains of a tremendous stellar explosion. Observers in China and Japan recorded the supernova nearly 1,000 years ago, in 1054.






    HUbbles ultra deep field with dozen of galaxies








    Two galaxies swing past each other in a graceful performance choreographed by gravity. This is one of hundreds of interacting and merging galaxies known in our nearby universe.


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    What's with everyone and their Crab Nebula lovage? ;p

    I'll post some of my favourites, which are mainly star clusters and nebulae.

    M50, an open cluster in Monoceros



    Antares and the Rho Ophiuchi Dark Cloud, on the lower half is the over-exposed image of the red supergiant star Antares.



    At the center of 30 Doradus region, the R136 star cluster.



    The M45: Subaru, the Pleiades and the Seven Sisters, an open cluster in Taurus.



    The star forming region NGC 2170. Think stellar birth and burst: hydrogen emission nebulae, blue reflection and darkabsorption nebulae, newly formed stars and stardust all over.



    NGC 7293 or Helix Nebula, located in Aquarius.



    B33 or Horsehead Nebula, a dark nebula across from red emission nebula IC434, both part of a large complex that is a stellar nursery near Sigma Orionis.



    Last but not least the Corona Australi, an area of young star formation.



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    then lead us in a national rendition of Magic Dance to bring us all together"


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    My favorite constellation, Orion and its nebula..


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    Thumbs up द्यौष्पितृ - Dyauṣpitṛ - *Dyēus-pətēr - Zeus Pater - Iuppiter

    Last edited by lei.talk; 08-27-2013 at 11:19 AM. Reason: expired tinypic


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    Wow! Very clear view of Jupiters atmosphere! Thanks for posting this




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    Supernova:


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